About That Time I Got Reincarnated as a Slime
That Time I Got Reincarnated as a Slime (Tensei Shitara Suraimu Datta Ken, shortened by fans to TenSura) began as a web novel by Fuse, posted on the site Shōsetsuka ni Narō from 2013 to 2016. Micro Magazine published it as a light novel series illustrated by Mitz Vah from 2014, and the main story ended with its 23rd volume in 2025; Yen Press publishes it in English, and Taiki Kawakami's manga adaptation has run in Kodansha's Monthly Shōnen Sirius since 2015. The TV anime is made by the studio Eight Bit. Season 1, directed by Yasuhito Kikuchi with series composition by Kazuyuki Fudeyasu and music by Elements Garden, ran from October 2018 to March 2019; season 2 followed in two halves in 2021, season 3 in 2024, and season 4, planned as five cours, began in April 2026. Ninety-six episodes have aired so far, alongside two films, Scarlet Bond (2022) and Tears of the Azure Sea (2026).
Satoru Mikami is a 37-year-old office worker in Tokyo who has more or less made his peace with an uneventful life. When a stranger attacks a younger colleague in the street, Satoru pushes him out of the way and is stabbed. As he dies, a mysterious voice grants him a string of skills, and he wakes up in a dark cave in another world as a small blue slime. He can swallow almost anything and copy what he swallows, and a voice in his head, the Great Sage, analyses everything for him. Deep in the cave he meets Veldora, the Storm Dragon, who has been sealed there for 300 years. The two become friends and give each other names: the slime becomes Rimuru, and both take the surname Tempest. Rimuru then leaves the cave, saves a village of goblins from a pack of direwolves, and finds that every monster he names evolves into something stronger.
What makes the series stand out among isekai stories is how much of it is about building a country. Rimuru gathers goblins, direwolves, dwarf craftsmen, ogres, lizardmen and orcs into the Jura Tempest Federation, and much of the drama comes from trade deals, alliances and the question of how a nation of monsters can earn the trust of its human neighbours. The stakes rise when the Kingdom of Falmuth invades Tempest in season 2 and Rimuru becomes a Demon Lord to undo the damage, then faces the schemer Clayman at the Demon Lords' banquet, Walpurgis. Season 3 turns to the Holy Knight Hinata Sakaguchi and a festival to open Tempest to the world, and season 4 to the Council of the West. Rimuru won Best Protagonist at the Crunchyroll Anime Awards in 2019, season 2 won Best Fantasy there in 2022, and the franchise had 40 million copies in circulation by February 2023.
Want the archetype rather than the character? The dere type quiz scores you across all eight anime dere types — tsundere, yandere, kuudere, dandere and four more — and explains where each word comes from.
What the That Time I Got Reincarnated as a Slime Quiz Tests
Our That Time I Got Reincarnated as a Slime quiz covers the 96 episodes of the main TV series that have aired so far: seasons 1 to 3 and the first two cours of season 4. It does not ask about the films, The Slime Diaries, Visions of Coleus, the OADs or the light novels and manga. Easy levels cover the basics: who made the anime, how Satoru dies and becomes Rimuru, Veldora and the shared surname Tempest, Predator and the Great Sage, Shizu, Ranga and the ogres, and what naming a monster does. The middle levels follow the story in order, from Dwargon, Gelmud and the Orc Disaster through Charybdis and Shizu's students, then into season 2 with the Falmuth invasion, Hinata's ambush, the Harvest Festival, Diablo and Walpurgis, and on to season 3's Dungeon and season 4's Council of the West. The hard levels are for people who watched closely: Satoru's dying wish, what Rimuru and King Gazel have in common, a line borrowed from a video game, who gets Shizu's mask, the demon Shizu once fought, Momiji's father, the tournament winner, the Primordials' names and the voice of Satoru.
Key Characters
Rimuru Tempest is an unusual hero: easy-going, curious and a little lazy, a former office worker who would rather make a deal than a war, but who thinks several steps ahead and turns ruthless when the people he looks after are hurt. Veldora, the loud, boastful Storm Dragon who gave him his name, is his first friend in the new world, and later spends his days reading the manga Rimuru brings over from his memories. Around Rimuru grows a court of monsters he has named: the ogre siblings Benimaru, his hot-headed general, and Shuna, the gentle princess who weaves cloth and uses holy magic; Shion, his self-appointed secretary and bodyguard, terrifying in a fight and worse in a kitchen; the spy Souei and the old swordmaster Hakuro; the hobgoblin Gobta, who looks like a fool and keeps proving he is not; and Ranga, the proud, dog-like wolf who would do anything for his master. Shizu, a Japanese woman summoned to this world as a child, shapes the whole story despite appearing for only a few episodes. Then there are the Demon Lords, from the childlike and overwhelmingly strong Milim Nava, who decides Rimuru is her best friend, to the scheming Clayman; Diablo, the Primordial Demon who becomes Rimuru's most devoted servant; and Hinata Sakaguchi, Shizu's former student, who first meets Rimuru as an enemy.
Available Quizzes
That Time I Got Reincarnated as a Slime Trivia
50 hand-crafted questions across 5 categories. 10 levels of increasing difficulty.
Which Reincarnated as a Slime Character Are You?
Answer 10 questions to discover which That Time I Got Reincarnated as a Slime character matches your personality!
Random Mix
Questions from all 55 anime including That Time I Got Reincarnated as a Slime. The ultimate challenge.
Characters
Rimuru Tempest
Veldora Tempest
Benimaru
Shion
Gobta
That Time I Got Reincarnated as a Slime Fun Facts
- Takuma Terashima, who voices Satoru Mikami, also wrote the lyrics for and sings the first opening theme, 'Nameless Story', and he sings the second, 'Megurumono', as well.
- Rimuru has a habit of naming his demons after sports cars. Wikipedia notes that Carrera, Testarossa and Ultima, the three Primordials who join in season 4, are named after cars, and the Tensura Wiki adds that Diablo's name comes from the Lamborghini Diablo.
- Season 2 was planned as two halves airing back to back, but the COVID-19 pandemic pushed the first half from October 2020 to January 2021 and the second from April to July 2021.
- Fans treat 20 February as Rimuru's unofficial birthday, because the first chapter of Fuse's web novel went online on 20 February 2013.
- The cover of the Japanese light novel carries an English title of its own: 'Regarding Reincarnated to Slime'.
- Wikipedia records TenSura as the first manga series based on a light novel to reach 20 million copies in print, and Taiki Kawakami's manga adaptation won the Kodansha Manga Award in the shōnen category in 2022.
That Time I Got Reincarnated as a Slime Quiz — Frequently Asked Questions
How many episodes of That Time I Got Reincarnated as a Slime are there?
Ninety-six main-series episodes had aired by October 2026: 24 in season 1 (2018–19), 24 in season 2 (2021, in two halves), 24 in season 3 (2024) and 24 in the first two cours of season 4 (April to September 2026). Season 4's third cour is due in July 2027. The count leaves out the recap specials numbered 24.5, 24.9, 36.5, 48.5 and 65.5, the five OADs, the 12-episode spin-off The Slime Diaries and the three-episode Visions of Coleus.
Is That Time I Got Reincarnated as a Slime finished?
No. Season 4 is planned as five cours: the first two aired from April to September 2026, the third is due in July 2027, and the last two have no dates yet. A spin-off series based on the manga Clayman's Revenge is also due in April 2027. The original light novel series is complete; its 23rd and final volume came out in Japan in 2025.
What order should I watch That Time I Got Reincarnated as a Slime in?
Watch the seasons in order, with the extras in between: season 1; Visions of Coleus, a three-episode side story set between seasons 1 and 2 (it came out in 2023, so it also works after season 2); season 2; the film Scarlet Bond, set after season 2; season 3; the film Tears of the Azure Sea, which bridges seasons 3 and 4; then season 4. The five OADs and the light-hearted spin-off The Slime Diaries are side stories set between the main events, and can be watched any time after season 1.
Where can I watch That Time I Got Reincarnated as a Slime?
Crunchyroll has simulcast the series since season 1, when Funimation streamed an English dub as it aired, and Crunchyroll also holds the worldwide cinema rights to the second film. Wikipedia lists Hulu in some regions and, in Asia, iQIYI and Muse Communication's YouTube channel. Availability differs by country and changes over time, so check your local services.
What is That Time I Got Reincarnated as a Slime about?
A 37-year-old office worker from Tokyo, Satoru Mikami, is killed in the street and reborn in a fantasy world as a slime with the power to absorb and copy whatever he swallows. After befriending the sealed Storm Dragon Veldora, who names him Rimuru, he starts protecting and naming the monsters of the Great Jura Forest and builds them into a nation, the Jura Tempest Federation. It mixes fights and comedy with a lot of diplomacy, as Rimuru tries to make a monster nation that its human neighbours can trust.
